Phoenix Contact – MINI‑PS‑100‑240AC/24DC/1 (2938840) – 24 V DC, 1 A DIN‑Rail

The Phoenix Contact MINI‑PS‑100‑240AC/24DC/1 (P/N 2938840) is a compact, narrow-format DIN-rail power supply delivering 24 V DC at 1 A from a broad 85–264 VAC / 90–350 VDC input. Featuring power-boost to 1.3 A, 3 kV isolation, internal fuse protection, DC-OK signaling, and green OK‑LED, this module offers reliable operation in control systems. Discontinued, but ideal for legacy equipment or direct replacements.

 Spec Highlights

• Model: MINI‑PS-100-240AC/24DC/1 (2938840)  

• Input Voltage: 85–264 VAC (100–240 VAC nominal); 90–350 VDC  

• Output: 24 V DC ±1 % at 1 A (up to 1.3 A boost); adjustable 22.5–28.5 V  

• Isolation & Safety: 3 kV input/output; SELV per EN 60950‑1; IP20  

• Efficiency: > 80 % at nominal load  

• Features: DC‑OK contact (max 20 mA), power-fuse (1.25 A slow), LED status indicator  

• Dimensions: 22.5 × 99 × 114.5 mm, 200 g  

• Thermal: –25…+70 °C (derate >60 °C by 2.5 %/K)